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A - M N, O, P, Q, R, S, T, U, V, and W (There are no entries for the letters X, Y, or Z) Please use the BACK Button on your browser to return to the previous page. |
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- N
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- NAAQS  - National Ambient Air Quality Standards
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- NBAR  - Non-Binding Preliminary Allocation of Responsibility
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- NCP  - National Contingency Plan
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- NEIC  - National Enforcement Investigation Center
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- NEPA  - National Environmental Policy Act
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- NESHAPS  - National Emission Standards for Hazardous Air Pollutants
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- NFRAP  - No Further Response Action Planned
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- NIMBY  - "Not in my back yard" syndrome
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- NIOSH  - National Institute for Occupational Safety and Health
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- NOC  - Notice of Non-Compliance
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- NOD  - Notice of Deficiency
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- Notification  - EPA requirement that anyone in charge of a vessel or an onshore/offshore facility notify the National Response Center as soon as he has knowledge of a release of a hazardous substance, pollutant or contaminant involving a reportable quantity
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- NOV  - Notice of Violation
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- NOx  - Nitrogen Oxides
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- NPDES #  - National Pollutant Discharge Elimination System Number. The NPDES # is a 9-digit number assigned to facilities by EPA or the State under authority of the Clean Water Act. It helps regulate waste discharges to water.
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- NPDES  - National Pollution Discharge Elimination System
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- NPL  - National Priority List
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- NPR-CA  - Naval Petroleum Reserve - California
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- NPR-UT  - Naval Petroleum Reserve - Utah
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- NPR-WV  - Naval Petroleum Reserve - West Virginia
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- NPRM  - Notice of Proposed Rulemaking
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- NRC / National Response Center. A national communication center which coordinates response to spills of HSs and petroleum. CERCLA requires notifying the NRC (1-800-424-8802) in the event of a spill. Also, the U. S. Nuclear Regulatory Commission.
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- NRDC  - National Resource Defense Council
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- NRT  - National Response Team. An organization of federal agencies operating under the National Contingency Plan to coordinate response to hazardous incidents and to provide guidance for preparing for emergency.
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- NRT-1  - Hazardous Materials Emergency Planning Guide. The NRT-1 was created by the NRT as guidance for preparing for and responding to releases of hazardous materials.
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- NSPS  - New Source Performance Standardsx
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- NSR  - New Source Review
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- NTIS  - National Technical Information Service. NTIS publishes many federal documents and reports.
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- NTP  - National Toxicology Program
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- NTS  - Nevada Test Site
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- NWPA  - Nuclear Waste Policy Act
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- O
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- O&M  - Operation and Maintenance
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- OMB  - Office of Management and Budget
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- ORNL  - Oak Ridge National Laboratory
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- OSC  - On-scene Coordinator
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- OSHA  - Occupational Safety and Health Act (or Administration). OSHA provides for safe working conditions. It requires MSDS and other precautions for establishments which handle hazardous chemicals
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- OSWER  - Office of Solid Waste and Emergency Response, US EPA
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- OTD  - EM's Office of Technology Development
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- OU  - Operable Unit
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- P
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- PA  - Preliminary Assessment
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- Pad GDP  - Paducah Gaseous Diffusion Project
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- Pantex  - Pantex Plant
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- PCB(s)  - Polychlorinated Biphenyl(s)
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- PEIS  - Programmatic Environmental Impact Statement
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- PEL  - Permissible Exposure Limit
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- PETC  - Pittsburgh Energy Technology Center
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- PIN  - Pesticide Information Network
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- Pinellas  - Pinellas Plant
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- PM10  - Particulate Matter With An Aerodynamic Diameter Equal or Less Than 10 Micrometers
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- PMI  - Pesticide Monitoring Inventory
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- PMN  - Premanufacture Notice
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- PNL  - Pacific Northwest Laboratory. PNL is operated by Battelle Memorial Institute for the U. S. Department of Energy.
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- POLREPs  - Pollution Reports
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- Port GDP  - Portsmouth Gaseous Diffusion Project
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- POTW  - Publicly Owned Treatment Works. POTWs treat sewage and other aqueous waste.
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- PPB  - Parts per Billion (µg/l)
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- PPM  - Parts per Million (mg/l)
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- PPPL  - Princeton Plasma Physics Laboratory
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- PRP(s)  - Potentially Responsible Party(ies)
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- PSD  - Prevention of Significant Deterioration
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- Q
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- QA  - Quality Assurance
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- QAPP  - Quality Assurance Program Plan
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- QC  - Quality Control
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- R
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- R&D  - Research and Development
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- R-T-K  - Emergency Planning and Community Right-To-Know Act of 1986 (or EPCRA or Title III)
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- RA  - Remedial Action
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- RACT  - Reasonably Available Control Technology
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- RAO  - Remedial Action Objective
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- RAP  - Remedial Action Plan (or Program)
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- RCRA ID #  - RCRA Identification Number. The RCRA ID # is also called the EPA ID.
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- RCRA  - Resource Conservation and Recovery Act (see HSWA or SWDA). RCRA regulates hazardous waste.
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- RD  - Remedial Design
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- RD/RA  - Remedial Design/Remedial Action
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- RDDT&E  - Research, Development, Demonstration, Testing and Evaluation
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- Removal action  - removal action performed at sites by an Environmental Restoration Program Manager (ERPM) for removal actions. All statutory removal limits apply to these actions.
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- RFP  - Rocky Flats Plant
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- RI  - Remedial Investigation
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- RI/FS  - Remedial Investigation/Feasibility Study
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- ROD  - Record of Decision
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- RPTA  - (Illinois) Responsible Property Transfer Act (see also ECRA)
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- RQ  - Reportable Quantity. A quantity assigned to each HS and EHS. If an RQ of an HS or EHS is released to the environment, that release must be reported. RQs for HSs are found in 40 CFR 302.4 and RQs for EHSs are found in 40 CFR 355 Appendices A and B.
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- RRT  - Regional Response Team
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- S
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- S&M  - Surveillance and Maintenance
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- SARA  - Superfund Amendments and Reauthorization Act of 1986. The act which reauthorized CERCLA. It also added some new titles to the Act, i.e., EPCRA.
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- SCAP  - Superfund Consolidated Accomplishments Plan
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- SDWA  - Safe Drinking Water Act
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- SEC  - Securities and Exchange Commission
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- SERC  - State Emergency Response Committee. A state organization set up by EPCRA to receive EPCRA submissions from regulated facilities, provide submitted information to the public, and organize and oversee the local emergency planning process. States vary greatly in the way the SERC responsibilities are delegated (i.e., the SERC may be part of the environmental agency, labor department, emergency response organization, the state police or some other branch of the state government).
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- SERI  - Solar Energy Research Institute. This lab has be renamed NREL - National Renewable Energy Laboratory.
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- SETS  - Site Enforcement Tracking System
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- SI  - Site Inspection
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- SIC Code  - Standard Industrial Classification. The SIC Codes are a system of classifying establishments according to what they do or produce. Generally a two-digit or four-digit code (the additional two digits are an expansion on the original two digits) will describe a facility, although several SIC codes may apply to the same facility if that facility performs more than one industrial function (i.e.., refining uranium (SIC Code 2819) and making warheads (SIC Code 3483)).
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- SIC  - Standard Industrial Classification
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- SIP  - State Implementation Plan
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- SLAC  - Stanford Linear Accelerator Center
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- SMOA  - Superfund Memorandum of Agreement (Between US EPA and Individual States)
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- SNL-CA  - Sandia National Laboratory - Livermore
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- SNL-NM  - Sandia National Laboratory - Albuquerque
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- SPCC  - Plan Spill Prevention Control and Countermeasure Plan
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- SPR-LA  - Strategic Petroleum Reserve - Louisiana
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- SPR-TX  - Strategic Petroleum Reserve - Texas
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- SQG  - Small Quantity Generator
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- SRS  - Savannah River Site
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- SUPERFUND  - Comprehensive Environmental Response, Compensation, and Liability Act (see CERCLA or SARA)
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- SWDA  - Solid Waste Disposal Act (see HSWA or RCRA)
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- SWMU  - Solid Waste Management Unit Under RCRA
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- T
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- TBC  - To Be Considered
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- TBCs  - Other Advisories, Criteria, or Guidance To Be Considered
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- TC  - Toxic Chemical. The list of TCs is found in 40 CFR 372.65. TCs are regulated under Section 313 of EPCRA.
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- TCA  - Trichloroethane
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- TCE  - Trichloroethylene
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- TCLP  - Toxicity Characteristic Leaching Procedure
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- TDS  - Total Dissolved Solids
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- Threshold  - A threshold is a quantity which represents an amount of chemical at or above which that chemical must be reported. The thresholds for Sections 302, 311, and 312 are based on the quantity of chemical present at the facility at any one time. The thresholds for Section 313 are based on the quantity of chemical used during the previous calendar year at the facility.
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- Tier I  - Emergency and Hazardous Chemical Inventory (Aggregate Information by Hazard Type).
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- Tier II  - Emergency and Hazardous Chemical Inventory (Specific Information by Chemical).
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- TITLE III  - Emergency Planning and Community Right-To-Know Act of 1986 (or EPCRA or R-T-K)
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- TPQ  - Threshold Planning Quantity. A TPQ has been assigned for each EHS. It is the threshold for Section 302 reporting and is one of the thresholds for EHSs (500 lb. is the other) for Sections 311 and 312.
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- TRI  - Toxic Chemical Release Inventory. Section 313 of EPCRA, the TRI requirements, pertains to an inventory of TC releases nationwide as well as locally. The inventory is accomplished by facilities submitting copies of the Form R for each reportable TC.
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- TRU  - transuranic waste
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- TSCA  - Toxic Substances Control Act
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- TSD  - Treatment, Storage, and Disposal (Facility)
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- TSS  - Total Suspended Solids
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- TTO  - Total Toxic Organics
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- U
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- UIC  - Underground Injection Control
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- USGS  - US Geological Survey
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- UST  - Underground Storage Tank
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- UV  - ultraviolet
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- V
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- VOC  - Volatile organic Compound (or VOM)
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- VOM  - Volatile organic Material (or VOC)
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- W
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- WIPP  - Waste Isolation Pilot Plant
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- WMIS  - Waste Management Information System
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- WO  - EM's Office of Waste Operations
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- WQA  - Water Quality Act of 1987 (or Clean Water Act (CWA))
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- WSRIC  - Waste Stream and Residue Identification and Characterization
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- WVDP  - West Valley Demonstration Project
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